Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 1
... constant weight . The matter insoluble in water - oxides of iron , acid salts , & c . was also heated with dilute sulphuric and sulphurous acid , filtered , washed and ignited , weighed , and then fused again with fresh caustic potash ...
... constant weight . The matter insoluble in water - oxides of iron , acid salts , & c . was also heated with dilute sulphuric and sulphurous acid , filtered , washed and ignited , weighed , and then fused again with fresh caustic potash ...
Strona 13
... constant- deviation spectroscope in place of one of the variable- deviation type ( F. Twyman , Phil . Mag . , 1907 , xiii . , 481 ) , and ( 2 ) Landolt's method , in which a white light is reduced by means of filters to approximate ...
... constant- deviation spectroscope in place of one of the variable- deviation type ( F. Twyman , Phil . Mag . , 1907 , xiii . , 481 ) , and ( 2 ) Landolt's method , in which a white light is reduced by means of filters to approximate ...
Strona 19
... constant found , cannot be regarded as an exact one , and the conclusion was drawn that the author's determinations of the values of the constants in question ( in which the temperature was carefully maintained at the correct point ) ...
... constant found , cannot be regarded as an exact one , and the conclusion was drawn that the author's determinations of the values of the constants in question ( in which the temperature was carefully maintained at the correct point ) ...
Strona 23
... constant weight , the hydrated chloride , ThCl4-7H2O , is obtained . Heating to 120-160 ° , again to constant weight , gives the oxychloride , Th ( OH ) Cl3.H2O . At about 200 ° , ThC14.7H2O is transformed into a com : pound ...
... constant weight , the hydrated chloride , ThCl4-7H2O , is obtained . Heating to 120-160 ° , again to constant weight , gives the oxychloride , Th ( OH ) Cl3.H2O . At about 200 ° , ThC14.7H2O is transformed into a com : pound ...
Strona 43
... constant weight at 120 ° . No. Mgrms . Ba taken . Mgrms . Ba found . Error . I. 34 ° 24 34 ° 22 -0.02 2 . 34 ° 24 34'20 -0'04 3 . 61.14 61.20 +0.06 4 . 85.84 85.83 - Ο ΟΙ 5 . 85.84 120'08 8572 120 15 - O'12 6 . +0.17 Effects of Foreign ...
... constant weight at 120 ° . No. Mgrms . Ba taken . Mgrms . Ba found . Error . I. 34 ° 24 34 ° 22 -0.02 2 . 34 ° 24 34'20 -0'04 3 . 61.14 61.20 +0.06 4 . 85.84 85.83 - Ο ΟΙ 5 . 85.84 120'08 8572 120 15 - O'12 6 . +0.17 Effects of Foreign ...
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